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18-15
Cisco ONS 15454 DWDM Installation and Operations Guide, R6.0
August 2005
Chapter 18 Network Reference
18.3.3 Optical Performance for ROADM Rings and Linear Networks
shows the pass/fail criteria for 16 ROADM nodes (15 spans) required for any-to-any node
circuit reconfigurations.
•
All nodes in the ring are ROADM.
•
Span losses are equal.
See
for a list of cards in each class. A dash (—) indicates the spans that are not supported.
13
OPT-PRE and
OPT-BST/
OPT-BST-E
Yes
<7
<7
Yes
Yes
Yes
Yes
Yes
Yes
—
14
OPT-PRE and
OPT-BST/
OPT-BST-E
Yes
<7
<7
Yes
Yes
Yes
Yes
Yes
Yes
—
15
OPT-PRE and
OPT-BST/
OPT-BST-E
Yes
<7
<7
Yes
Yes
Yes
Yes
Yes
Yes
—
Table 18-14
Pass/Fail Criteria for 32-Channel, Eight-Node ROADM Rings Using SMF Fiber (continued)
Span
Loss (dB)
Amplifiers
Installed
10 Gbps
2.5 Gbps
Class A
Class B Class C Class I
Class D
Class E Class F Class G Class H Class J
Table 18-15
Pass/Fail Criteria for 32-Channel, 16-Node ROADM Rings Using SMF Fiber
Span
Loss (dB)
Amplifiers
Installed
10 Gbps
2.5 Gbps
Class A
Class B Class C Class I
Class D
Class E
Class F
Class G Class H Class J
1
OPT-PRE only
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
2
OPT-PRE only
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
3
OPT-PRE only
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
4
OPT-PRE only
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
5
OPT-PRE only
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
6
OPT-PRE only
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
7
OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
8
OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
9
OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
10
OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
11
OPT-PRE and
OPT-BST/
OPT-BST-E
<15
1
<15
1
<15
1
Yes
Yes
<15
1
<15
1
<15
1
<15
1
—
Summary of Contents for ONS 15454 DWDM
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